Ireland was represented at the Eurovision Song Contest 1977 with the song "It's Nice to Be in Love Again", written by Tommy and Jimmy Swarbrigg, and performed by themselves, along Alma Carroll and Nicola Kerr, under the stage name The Swarbriggs Plus Two. The Irish participating broadcaster, (RTÃÂ), selected its entry through a national final. The Swarbriggs had previously represented .
(RTÃÂ) held the thirteenth edition of the National Song Contest on Sunday 20 February 1977 at its studios in Dublin, hosted by Mike Murphy. Eight songs took part, with the winner chosen by voting from ten regional juries. Other participants included past and future Irish representatives Dickie Rock () and Colm C. T. Wilkinson (), while future Eurovision winner Linda Martin () performed as a member of the group Chips.
On the night of the final the group performed first in the running order, preceding . At the close of voting "It's Nice to Be in Love Again" had picked up 119 points, placing Ireland third of the 18 entries. The song had gained four maximum 12s – from , , and the United Kingdom. The Irish jury awarded its 12 points to Finland.